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Rom4ik [11]
3 years ago
13

Which balanced equation represents a single replacement reaction?

Chemistry
1 answer:
Anon25 [30]3 years ago
5 0
<span>The questions say,'which balanced equation represents a single balanced replacement reaction? The correct option is reaction 1, which is the reaction of magnesium with silver nitrate to give magnesium nitrate and silver. A single replacement reaction is a chemical reaction in which an element react with a compound and take the place of another element in that compound.</span>
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After completion of the citric acid cycle, most of the usable energy from the original glucose molecule is in the form of B. ATP

The most basic kind of sugar, monosaccharides only have one kind of sugar molecule. The simplest sugar is glucose, which is also your body's primary energy source. In tests to determine blood sugar levels, sugar is measured. Fructose and galactose, two more monosaccharides, are converted into glucose via metabolism ( 1 , 2 ). For instance, ATP is necessary for both breathing and keeping your heart beating. As well as assisting in the synthesis of lipids and nerve impulses, ATP also facilitates the entry and exit of certain molecules from cells. Even some living things, including bioluminescent creatures like jellyfish and fireflies, use ATP to create light!

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Explanation:

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The atomic number of an element is:________. 1. the submit answer button. 2. the number of neutrons in the nucleus of one atom.
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Calculate the energy required to heat 1.30kg of water from 22.4°C to 34.2°C . Assume the specific heat capacity of water under t
Serhud [2]

Answer:

The energy required to heat 1.30 kg of water from 22.4°C to 34.2°C is 64,121.2 J

Explanation:

Calorimetry is the measurement of the amount of heat that a body gives up or absorbs in the course of a physical or chemical process.

The sensible heat of a body is the amount of heat received or transferred by a body when undergoing a temperature variation (Δt) without there being a change in physical state. That is, when a system absorbs (or gives up) a certain amount of heat, it may happen that it experiences a change in its temperature, involving sensible heat. Then, the equation for calculating heat exchanges is:

Q = c * m * ΔT

Where Q is the heat or quantity of energy exchanged by a body of mass m, constituted by a substance of specific heat c and where ΔT is the variation in temperature (ΔT=Tfinal - Tinitial).

In this case:

  • c=4.18 \frac{J}{g*K}
  • m= 1.30 kg= 1,300 g (1 kg=1,000 g)
  • ΔT= 34.2 °C - 22.4 °C= 11.8 °C= 11.8 °K  Being a temperature difference, it is independent if they are degrees Celsius or degrees Kelvin. That is, the temperature difference is the same in degrees Celsius or degrees Kelvin.

Replacing:

Q=4.18 \frac{J}{g*K}*1,300 g*11.8 K

Q= 64,121.2 J

<u><em>The energy required to heat 1.30 kg of water from 22.4°C to 34.2°C is 64,121.2 J</em></u>

4 0
3 years ago
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